US7862021B2 - Gathering device with variable static charging of books - Google Patents

Gathering device with variable static charging of books Download PDF

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Publication number
US7862021B2
US7862021B2 US11/894,512 US89451207A US7862021B2 US 7862021 B2 US7862021 B2 US 7862021B2 US 89451207 A US89451207 A US 89451207A US 7862021 B2 US7862021 B2 US 7862021B2
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Prior art keywords
gathering
conveyor
book
recited
charging unit
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US11/894,512
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US20080048379A1 (en
Inventor
Michael David Desfosses
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Manroland Goss Web Systems GmbH
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Goss International Americas LLC
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Priority to US11/894,512 priority Critical patent/US7862021B2/en
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Publication of US20080048379A1 publication Critical patent/US20080048379A1/en
Assigned to U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT reassignment U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT SECURITY AGREEMENT Assignors: GOSS INTERNATIONAL AMERICAS, INC.
Assigned to U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT reassignment U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT SECURITY AGREEMENT Assignors: GOSS INTERNATIONAL AMERICAS, INC.
Assigned to GOSS INTERNATIONAL AMERICAS, INC. reassignment GOSS INTERNATIONAL AMERICAS, INC. RELEASE OF SECURITY INTEREST (GRANTED IN REEL 022951; FRAME: 0538) Assignors: U.S. BANK, N.A., AS COLLATERAL AGENT
Assigned to GOSS INTERNATIONAL AMERICAS, INC. reassignment GOSS INTERNATIONAL AMERICAS, INC. RELEASE OF SECURITY INTEREST (GRANTED IN REEL 022960; FRAME 0316) Assignors: U.S. BANK, N.A., NATIONAL ASSOCIATION
Publication of US7862021B2 publication Critical patent/US7862021B2/en
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Assigned to Goss International Americas, LLC reassignment Goss International Americas, LLC CONVERSION Assignors: GOSS INTERNATIONAL AMERICA, INC.
Assigned to MANROLAND GOSS WEB SYSTEMS AMERICAS LLC reassignment MANROLAND GOSS WEB SYSTEMS AMERICAS LLC CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: Goss International Americas, LLC
Assigned to MANROLAND GOSS WEB SYSTEMS GMBH reassignment MANROLAND GOSS WEB SYSTEMS GMBH SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MANROLAND GOSS WEB SYSTEMS AMERICAS LLC
Assigned to MANROLAND GOSS WEB SYSTEMS GMBH reassignment MANROLAND GOSS WEB SYSTEMS GMBH CORRECTIVE ASSIGNMENT TO CORRECT THE SUPPORTING SECURITY INTEREST DOCUMENT PREVIOUSLY RECORDED AT REEL: 054296 FRAME: 0874. ASSIGNOR(S) HEREBY CONFIRMS THE SUPPORTING SECURITY INTEREST DOCUMENT. Assignors: MANROLAND GOSS WEB SYSTEMS AMERICAS LLC
Expired - Fee Related legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C1/00—Collating or gathering sheets combined with processes for permanently attaching together sheets or signatures or for interposing inserts
    • B42C1/12—Machines for both collating or gathering and permanently attaching together the sheets or signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B42C19/02—Multi-step processes for making books starting with single sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/43—Gathering; Associating; Assembling
    • B65H2301/435—Gathering; Associating; Assembling on collecting conveyor
    • B65H2301/4351—Gathering; Associating; Assembling on collecting conveyor receiving articles astride thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5132—Bringing electrostatic charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/48—Bookbinding

Definitions

  • Gathering devices such as perfect binders, saddle stitchers and mailroom inserters may use hoppers or feeders to collect sheet material.
  • a saddle stitcher or perfect binder may for example collect folded printed materials fed from hoppers or feeders onto a saddle or perfect binder conveyor, respectively, to form a magazine or other printed product.
  • the term hopper and feeder are used synonymously.
  • U.S. Pat. No. 6,267,225 purportedly discloses a device for conveying thin workpieces for machines used in the printing technology field having at least one movable conveying element having an electrically insulating contact surface supporting at least one workpiece as it is being conveyed.
  • U.S. Pat. No. 6,616,134 discloses a device for electrostatically charging a multilayer material web includes electrostatic charge elements assigned to outer sides of the multilayer material web, the charge elements being disposed upline of an inlet of the multilayer material web into a cylinder.
  • U.S. Publication No. 2006/0180697 purportedly discloses an electrostatic charging system holds a film web to a roll without significant slippage, thus allowing for proper tension control of the web even with extreme differences in tension upstream and downstream of the motorized roll.
  • a gathering device for gathering books includes a gathering conveyor for transporting a book and a variable static charging unit.
  • the variable static charging unit has a voltage output providing a static charge to the book on the gathering conveyor.
  • a controller connected to the variable static charging unit is provided. The controller controls the voltage output of the variable static charging unit.
  • FIG. 1 shows a front view of a section of a gathering device according to the present invention
  • FIG. 2 shows a top view of the FIG. 1 embodiment
  • FIG. 3 shows linear pinners
  • Sheets of gathered books may separate at high speeds as the sheets move down a gathering conveyor, for example, a gathering chain.
  • a static charge can be induced into the book to prevent separation.
  • too much static can pin the sheets to, if provided, steel sheet guides, and too little static can cause pages of the books to separate.
  • FIGS. 1 and 2 show a gathering device 200 in accordance with an embodiment of the present invention.
  • Gathering device 200 includes a hopper 40 , a gathering conveyor, for example, a gathering chain 30 , a static charging unit 50 and books 20 being transported on gathering chain 30 in a direction of travel X.
  • Sheet guides 12 guide books 20 traveling on gathering chain 30 . More than one hopper 40 may be provided as desired.
  • Pinners for example, linear pinners 10 , 10 ′, are positioned to apply a static charge to books 20 and are connected to static charging unit 50 .
  • linear pinner 10 may be mounted, for example, on a side of gathering chain 30 and linear pinner 10 ′ may be mounted on an opposite side of gathering chain 30 .
  • a static charge may be applied to both sides of books 20 .
  • the amount of static charge introduced into books 20 is a combination of a voltage output by charging unit 50 and a duration of time books are under linear pinners 10 receiving a static charge.
  • Controller 100 adjusts the voltage output of static charging unit 50 according to the actual speed of gathering chain 30 .
  • the amount of static charge applied to books 50 is adjusted for starts, stops and speed changes of gathering chain 30 .
  • controller 100 adjusts the voltage output of static charging unit 50 to adjust the static charge applied to books 20 .
  • the static charge applied to books 20 is varied accordingly to the speed of gathering chain 30 .
  • a machine controller 100 controls a speed of gathering chain 30 and a voltage output of static charging unit 50 .
  • the controller may not control the speed of gathering conveyor and may, for example, only control the static charging unit.
  • Pinners 10 , 10 ′ receive voltage output from static charging unit 50 and transmit a static charge to book 20 .
  • Controller 100 varies voltage output of static charging unit 50 so a proper static charge is supplied to book 20 by linear pinners 10 , 10 ′.
  • a proper static charge is a static charge that does not result in pinning of books 20 to sheet guides 12 .
  • the proper static charge may be the maximum charge which does not result in pinning or less than the maximum charge.
  • the desired static charge may be greater than or equal to the charge required to keep pages of the books from separating.
  • the proper static charge may be adjusted as desired by the operator or specifications of a given job.
  • the controller may determine the speed of gathering conveyor in any suitable manner.
  • the controller may determine the speed, for example, from an encoder 112 on a motor 110 driving the gathering conveyor, from other sensors on the gathering device, or by monitoring the actual speed in another way.
  • the controller may determine the speed of the gathering conveyor from, for example, a speed set for the gathering conveyor at a user interface.
  • the amount of static voltage provided may be, for example, a function of the book materials or size, the speed of the conveyor, the types and materials of the sheet guides provided, and may be based on predetermined tables or operator knowledge. Moreover, the amount of static charge can be varied as speed varies. By controlling the amount of static charge applied to books, reduced paper jams and improved book quality may result.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Control Of Conveyors (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

A gathering device for gathering books is provided including a gathering conveyor for transporting a book, a variable static charging unit having a voltage output providing a static charge to the book on the gathering conveyor and a controller connected to the variable static charging unit, the controller controlling the voltage output of the variable static charging unit.

Description

This claims the benefit of U.S. Provisional Application No. 60/838,636, filed on Aug. 18, 2006 and hereby incorporated by reference herein.
BACKGROUND
Gathering devices such as perfect binders, saddle stitchers and mailroom inserters may use hoppers or feeders to collect sheet material. A saddle stitcher or perfect binder may for example collect folded printed materials fed from hoppers or feeders onto a saddle or perfect binder conveyor, respectively, to form a magazine or other printed product. In the context of the present application, the term hopper and feeder are used synonymously.
U.S. Pat. No. 6,267,225 purportedly discloses a device for conveying thin workpieces for machines used in the printing technology field having at least one movable conveying element having an electrically insulating contact surface supporting at least one workpiece as it is being conveyed.
U.S. Pat. No. 6,616,134 discloses a device for electrostatically charging a multilayer material web includes electrostatic charge elements assigned to outer sides of the multilayer material web, the charge elements being disposed upline of an inlet of the multilayer material web into a cylinder.
U.S. Publication No. 2006/0180697 purportedly discloses an electrostatic charging system holds a film web to a roll without significant slippage, thus allowing for proper tension control of the web even with extreme differences in tension upstream and downstream of the motorized roll.
SUMMARY OF THE INVENTION
In accordance with an embodiment of the present invention, a gathering device for gathering books includes a gathering conveyor for transporting a book and a variable static charging unit. The variable static charging unit has a voltage output providing a static charge to the book on the gathering conveyor. A controller connected to the variable static charging unit is provided. The controller controls the voltage output of the variable static charging unit.
BRIEF DESCRIPTION OF THE DRAWINGS
A preferred embodiment of the present invention will be elucidated with reference to the drawings, in which:
FIG. 1 shows a front view of a section of a gathering device according to the present invention;
FIG. 2 shows a top view of the FIG. 1 embodiment; and
FIG. 3 shows linear pinners.
 DETAILED DESCRIPTION
Sheets of gathered books may separate at high speeds as the sheets move down a gathering conveyor, for example, a gathering chain. Typically, a static charge can be induced into the book to prevent separation. However, too much static can pin the sheets to, if provided, steel sheet guides, and too little static can cause pages of the books to separate.
FIGS. 1 and 2 show a gathering device 200 in accordance with an embodiment of the present invention. Gathering device 200 includes a hopper 40, a gathering conveyor, for example, a gathering chain 30, a static charging unit 50 and books 20 being transported on gathering chain 30 in a direction of travel X. Sheet guides 12 guide books 20 traveling on gathering chain 30. More than one hopper 40 may be provided as desired.
Pinners, for example, linear pinners 10, 10′, are positioned to apply a static charge to books 20 and are connected to static charging unit 50. As shown in FIGS. 2 and 3, linear pinner 10, may be mounted, for example, on a side of gathering chain 30 and linear pinner 10′ may be mounted on an opposite side of gathering chain 30. Thus, a static charge may be applied to both sides of books 20.
The amount of static charge introduced into books 20 is a combination of a voltage output by charging unit 50 and a duration of time books are under linear pinners 10 receiving a static charge. Controller 100 adjusts the voltage output of static charging unit 50 according to the actual speed of gathering chain 30. The amount of static charge applied to books 50 is adjusted for starts, stops and speed changes of gathering chain 30. When gathering chain 30 stops and starts in order to, for example, clear a jam, controller 100 adjusts the voltage output of static charging unit 50 to adjust the static charge applied to books 20. Thus, the static charge applied to books 20 is varied accordingly to the speed of gathering chain 30.
In this embodiment, a machine controller 100 controls a speed of gathering chain 30 and a voltage output of static charging unit 50. Alternatively, the controller may not control the speed of gathering conveyor and may, for example, only control the static charging unit.
Pinners 10, 10′ receive voltage output from static charging unit 50 and transmit a static charge to book 20. Controller 100 varies voltage output of static charging unit 50 so a proper static charge is supplied to book 20 by linear pinners 10, 10′. A proper static charge is a static charge that does not result in pinning of books 20 to sheet guides 12. The proper static charge may be the maximum charge which does not result in pinning or less than the maximum charge. Furthermore, the desired static charge may be greater than or equal to the charge required to keep pages of the books from separating. The proper static charge may be adjusted as desired by the operator or specifications of a given job.
The controller may determine the speed of gathering conveyor in any suitable manner. The controller may determine the speed, for example, from an encoder 112 on a motor 110 driving the gathering conveyor, from other sensors on the gathering device, or by monitoring the actual speed in another way. Furthermore, the controller may determine the speed of the gathering conveyor from, for example, a speed set for the gathering conveyor at a user interface.
The amount of static voltage provided may be, for example, a function of the book materials or size, the speed of the conveyor, the types and materials of the sheet guides provided, and may be based on predetermined tables or operator knowledge. Moreover, the amount of static charge can be varied as speed varies. By controlling the amount of static charge applied to books, reduced paper jams and improved book quality may result.
In the preceding specification, the invention has been described with reference to specific exemplary embodiments and examples thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of invention as set forth in the claims that follow. The specification and drawings are accordingly to be regarded in an illustrative manner rather than a restrictive sense.

Claims (18)

What is claimed is:
1. A gathering device for gathering books comprising:
a gathering conveyor for transporting a book;
a variable static charging unit having a voltage output providing a static charge to the book on the gathering conveyor;
a controller connected to the variable static charging unit, the controller controlling the voltage output of the variable static charging unit; and
a sheet guide spaced from the gathering conveyor, the book traveling between the gathering conveyor and the sheet guide, the static charge being a function of the interaction between the sheet guide and the book.
2. The gathering device as recited in claim 1 wherein the gathering conveyor is a gathering chain.
3. The gathering device as recited in claim 1 wherein the gathering device is a saddle stitcher.
4. The gathering device as recited in claim 1 wherein the static charge is less than a static charge required to pin the book to the sheet guide.
5. The gathering device as recited in claim 1 wherein the book includes a plurality of pages and wherein the static charge applied is greater than or equal to a charge required to keep the pages from separating.
6. The gathering device as recited in claim 1 further comprising a pinner connected to the variable static charging unit and located on a side of the gathering conveyor, the pinner applying the static charge to the book.
7. The gathering device as recited in claim 6 wherein the pinner is a linear pinner.
8. The gathering device as recited in claim 6 further comprising a further pinner located on an opposite side of the gathering conveyor.
9. The gathering device as recited in claim 6 wherein the static charge is a function of a duration of time books are under the linear pinner receiving a static charge.
10. The gathering device as recited in claim 1 wherein the static charge is a function of a composition of the book.
11. The gathering device as recited in claim 1 wherein the static charge is a function of a size of the book.
12. The gathering device as recited in claim 1 wherein the static charge is based on predetermined tables or operator knowledge.
13. The gathering device as recited in claim 1 wherein the static charge is a function of a speed of the gathering conveyor.
14. The gathering device as recited in claim 13 wherein the controller determines the speed of the gathering conveyer from a sensor.
15. The gathering device as recited in claim 14 wherein the sensor is an encoder on a motor driving the gathering conveyor.
16. The gathering device as recited in claim 13 wherein the controller determines the speed of the gathering conveyer from a speed set for the gathering conveyor at a user interface.
17. A gathering device for gathering books comprising:
a gathering conveyor for transporting a book;
a variable static charging unit having a voltage output providing a static charge to the book on the gathering conveyor; and
a controller connected to the variable static charging unit, the controller determining a speed of the conveyor and controlling the voltage output of the variable static charging unit as a function of the speed of the conveyor.
18. A gathering device for gathering books comprising:
a gathering conveyor for transporting a book;
a variable static charging unit having a voltage output providing a static charge to the book on the gathering conveyor; and
a controller connected to the variable static charging unit, the controller determining a speed of the conveyor and controlling the voltage output of the variable static charging unit as a function of the speed of the conveyor and a function of book materials or size.
US11/894,512 2006-08-18 2007-08-20 Gathering device with variable static charging of books Expired - Fee Related US7862021B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/894,512 US7862021B2 (en) 2006-08-18 2007-08-20 Gathering device with variable static charging of books

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Application Number Priority Date Filing Date Title
US83863606P 2006-08-18 2006-08-18
US11/894,512 US7862021B2 (en) 2006-08-18 2007-08-20 Gathering device with variable static charging of books

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US7862021B2 true US7862021B2 (en) 2011-01-04

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EP (1) EP2051922A4 (en)
JP (1) JP2010501445A (en)
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WO (1) WO2008021565A2 (en)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
US20120219385A1 (en) * 2011-02-25 2012-08-30 Mueller Martini Holding Ag Thread stitching machine
DE102011088859A1 (en) 2011-12-16 2013-06-20 Müller Martini Holding AG Method for gathering printed sheets for unbound book blocks, involves bringing printed sheet together with insert, and fixing insert at printed sheet through electrostatic interlocking of insert with printed sheet
US8783438B2 (en) 2012-11-30 2014-07-22 Heb Grocery Company, L.P. Diverter arm for retail checkstand and retail checkstands and methods incorporating same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7731167B2 (en) * 2006-12-01 2010-06-08 Prim Hall Enterprises, Inc. Methods and systems for controlling the feeding of stacked sheet material

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US4271451A (en) 1976-07-20 1981-06-02 Hercules Incorporated Method and apparatus for controlling static charges
US5730436A (en) 1995-02-17 1998-03-24 R. R. Donnelley & Sons Company Signature conveyor system with automatic phase adjustment
US6267225B1 (en) 1995-10-28 2001-07-31 Heidelberger Druckmascheinen Aktiengesellschaft Sheet-conveying device for machines used in the printing technology field
US6616134B2 (en) 2000-09-01 2003-09-09 Heidelberger Druckmaschinen Ag Device for electrically insulating rotating components in rotary printing machines
US7066422B1 (en) 2003-02-04 2006-06-27 Waverly Plastics Axial center dispensing plastic sheet roll and method of use
US20060180697A1 (en) 2005-02-17 2006-08-17 Addex, Inc. Electrostatic tension control of webs

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JP2000118853A (en) * 1998-10-08 2000-04-25 Dainippon Printing Co Ltd Conveyance device
US6590759B1 (en) 2000-10-16 2003-07-08 Illinois Tool Works Inc. Device for placing a charge on an object and a method of retrofitting a conveyor for the device
EP1690696B1 (en) * 2005-02-15 2008-11-05 Heidelberger Druckmaschinen AG Method and apparatus for the pressing of print signatures

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Publication number Priority date Publication date Assignee Title
US4271451A (en) 1976-07-20 1981-06-02 Hercules Incorporated Method and apparatus for controlling static charges
US5730436A (en) 1995-02-17 1998-03-24 R. R. Donnelley & Sons Company Signature conveyor system with automatic phase adjustment
US6267225B1 (en) 1995-10-28 2001-07-31 Heidelberger Druckmascheinen Aktiengesellschaft Sheet-conveying device for machines used in the printing technology field
US6616134B2 (en) 2000-09-01 2003-09-09 Heidelberger Druckmaschinen Ag Device for electrically insulating rotating components in rotary printing machines
US7066422B1 (en) 2003-02-04 2006-06-27 Waverly Plastics Axial center dispensing plastic sheet roll and method of use
US20060180697A1 (en) 2005-02-17 2006-08-17 Addex, Inc. Electrostatic tension control of webs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120219385A1 (en) * 2011-02-25 2012-08-30 Mueller Martini Holding Ag Thread stitching machine
US8876098B2 (en) * 2011-02-25 2014-11-04 Mueller Martini Holding Ag Stitching machine for variable size sheets
DE102011088859A1 (en) 2011-12-16 2013-06-20 Müller Martini Holding AG Method for gathering printed sheets for unbound book blocks, involves bringing printed sheet together with insert, and fixing insert at printed sheet through electrostatic interlocking of insert with printed sheet
US8783438B2 (en) 2012-11-30 2014-07-22 Heb Grocery Company, L.P. Diverter arm for retail checkstand and retail checkstands and methods incorporating same

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Publication number Publication date
CN101489902A (en) 2009-07-22
JP2010501445A (en) 2010-01-21
CN101489902B (en) 2011-03-16
EP2051922A4 (en) 2012-05-09
WO2008021565A2 (en) 2008-02-21
US20080048379A1 (en) 2008-02-28
EP2051922A2 (en) 2009-04-29
WO2008021565A3 (en) 2008-09-18

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